Sony Xperia U (ST25a) vs Xiaomi Redmi 12C (128GB/4GB)

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Side by side comparison between Sony Xperia U vs Xiaomi Redmi 12C phones, differences, pros, cons and full specifications. What's the better?

11/15/2023 5:18 PM, updated: 11/15/2023 5:18 PM

Compare Xiaomi Redmi 12C X Sony Xperia U (ST25a) 08Points

Specifications Compare Models Pictures

3.5"
LED

480x854

5
MP

0.3mp

512MB
RAM

Dual-core

1320
mAh

(Removable)

24Points Xiaomi Redmi 12C (128GB/4GB) Compare Sony Xperia U X

Specifications Compare Models Pictures

6.71"
IPS

720x1650

50
MP

5mp

4GB
RAM

Octa-core

5000
mAh

(Non removable)

What's the better phone? Xiaomi Redmi 12C (128GB/4GB)

The phonemore's choice is much more technical than personal. Therefore, you shouldn't only consider this. Our goal is to help you, but what's important to us may not be important to you. You decide which one is the best! Comment!

8 Advantages Sony Xperia U (ST25a)	vs	24 Advantages Xiaomi Redmi 12C (128GB/4GB)
+110 grams (3.85 ounces)75% Lighter	vs	192 grams (6.72 ounces)
+280 PPI4% Crisper display of text, images and videos because it has more pixels per inch (ppi)	vs	268 PPI
+Ambient light sensorAdvantage Sensors help you use the device	vs	Not supported
+CompassAdvantage Sensors help you use the device	vs	Not supported
+Proximity sensorAdvantage Sensors help you use the device	vs	Virtual proximity sensor
+Li-Ion: lithium-ion (Removable)Advantage Removable battery can be replaced easily	vs	LiPo: li-ion polymer (Non removable)
+DLNAAdvantage With DLNA technology you can access and play media files on TV, tablet or DLNA compatible device.	vs	Not supported
+Scratch-resistant glassAdvantage Protection against scratches on the screen lets you carry your phone with your keys	vs	Not supported
1GHz 32bit Dual-core (45nm)	vs	+2GHz 64bit Octa-core (12nm)3 times More powerful processor, you can open your applications faster
512MB LPDDR2	vs	+4GB LPDDR4X7 times More RAM memory. Typically more responsive and better for multitasking.
8GB (4GB available)	vs	+128GB (101GB available)24 times More internal storage for applications and files
Not supported	vs	+Until 1TB microSD, microSDXCAdvantage More external storage for files using memory cards
12 millimeters (0.47 inches)	vs	+8.77 millimeters (0.35 inches)37% Thinner
TFT LED-Backlit LCD	vs	+TFT IPS LCDAdvantage TFT IPS LCD display is brighter and more vivid
480x854 pixels	vs	+720x1650 pixels190% Higher resolution screen
3.5"	vs	+6.71"92% Larger screen
(back) 5MP	vs	+(dual camera) 50MP + 0.08MP9 times Higher resolution main camera
Not supported	vs	+HDR photo on both camerasAdvantage The HDR technology produced photos with more detail in dark areas
(front) 0.3MP	vs	+(front) 5MP15 times Higher resolution secondary camera to take pictures and selfies
HD (1280x720)	vs	+Full HD (1920x1080)125% More image quality for recording videos with the primary camera
(front) VGA (640x480)	vs	+(front) Full HD (1920x1080)6 times More image quality for recording videos with the secondary camera
Android 4.0.4 Ice Cream Sandwich ICS	vs	+Android 13Advantage Android 13 is newer and safer
3G HSUPA	vs	+4G LTE-AAdvantage The 4G LTE-A network is newer and faster
(3G HSUPA) 14.4 Mbps	vs	+(4G LTE-A) 300 Mbps20 times Faster for surfing the internet and download files
Not supported	vs	+Face unlockAdvantage Sensors help you use the device
Not supported	vs	+Fingerprint sensor (rear-mounted)Advantage Sensors help you use the device
1320 mAh	vs	+5000 mAh3 times Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
1 slot (Single-SIM)	vs	+2 slots (Dual-SIM) (dedicated slot)Advantage You can have more mobile carriers/operators on the same device.
802.11 b/g/n [wifi4]	vs	+802.11 a/b/g/n/ac [wifi5]Advantage WiFi 802.11 a/b/g/n/ac [wifi5] is newer and faster
2.1 + A2DP	vs	+5.1 + A2DP/LEAdvantage Bluetooth 5.1 + A2DP/LE is newer and faster
HTML, XHTML, Flash player	vs	+HTML, XHTML, HTML5Advantage Better sites viewing on the internet
Not supported	vs	+IP52 certifiedAdvantage Protection against water allows you talk to your friends in the rain, for example

14 Common items in both devices

Plastic body, glass front

60Hz

16 million

LED flash

Only digital zoom

Autofocus / PDAF: phase detection autofocus

EIS: Digital stabilization

+7 specs and more in the table below

Check the comparison table below for more items that are not evaluated in comparison score above.

Highlight differences

📱 Model features
	Sony Xperia U (ST25a)	Redmi 12C (128GB/4GB)
Change model		Choose the model
Model	Xperia U (ST25a)	Redmi 12C (128GB/4GB)
Other model names	Sony Xperia U ST25, Sony Kumquat	Redmi 12C (22120RN86I, 22126RN91Y, 2212ARNC4L)
Country or region available	(Latin America), Brazil, Canada, USA	(Middle East), South Africa, Philippines, India, Nigeria
Brand	Sony	Xiaomi
Release date	5/7/2012	1/1/2023, Announced: 12/31/2022
Depth	12 millimeters (0.47 inches)	8.77 millimeters (0.35 inches)
Size (width x height)	54 x 112 millimeters (2.13 x 4.41 in)	76.41 x 168.76 millimeters (3.01 x 6.64 in)
Weight	110 grams (3.85 ounces)	192 grams (6.72 ounces)
Build, materials	Plastic body, glass front	Plastic body, glass front
Protection against water and others	Not supported	IP52 certified: protection against dust and splashing
📲 Display
	Sony Xperia U (ST25a)	Redmi 12C (128GB/4GB)
Display type	TFT LED-Backlit LCD	TFT IPS LCD
Screen size	3.5" inches	6.71" inches
Screen-to-body ratio	~55.8% (screen-to-body ratio)	~82.6% (screen-to-body ratio)
Display resolution	480x854 pixels (16:9)	720x1650 pixels
Touchscreen	Capacitive Multitouch 4-points	Capacitive Multitouch
Pixel density (dot pitch)	280 PPI	268 PPI
Colors	16 million	16 million
Scratch-resistant glass	Scratch-resistant glass	Not supported
Refresh rate	60Hz	60Hz
Display features	Not supported	500nits[typ]
🤖 Operating System
	Sony Xperia U (ST25a)	Redmi 12C (128GB/4GB)
System version	Android 2.3.7 Gingerbread	Android 12
Firmware update	Android 4.0.4 Ice Cream Sandwich ICS	Android 13
User Interface	feature not registered	MIUI 13 / 14
⚙️ Processor
	Sony Xperia U (ST25a)	Redmi 12C (128GB/4GB)
Chipset	32bit: ST-Ericsson NovaThor U8500 (45nm)	64bit: MediaTek Helio G85 (12nm)
CPU	Dual-core, 1 processor: 2x 1GHz ARM Cortex-A9 (Dual-core)	Octa-core, 2 processors: 2x 2GHz ARM-Cortex-A75 (Dual-core) 6x 1.8GHz ARM-Cortex-A55 (Hexa-core)
GPU graphical controller	ARM Mali-400 MP1	ARM Mali-G52 MC2 (1GHz)
Performance (benchmark)	feature not registered	AnTuTu: 200509 (v9), 242267 (v10)
💽 Memory and storage
	Sony Xperia U (ST25a)	Redmi 12C (128GB/4GB)
RAM memory	512MB LPDDR2	4GB LPDDR4X
Internal storage	8GB (4GB available)	128GB (101GB available) eMMC 5.1
External storage	Not supported	Until 1TB microSD, microSDXC (dedicated slot)
📶 Mobile networks
	Sony Xperia U (ST25a)	Redmi 12C (128GB/4GB)
Dual-SIM	Not supported	Dual-SIM Standby - Call active on one sim card (dedicated slot)
SIM card	1 slot (Single-SIM) Standard mini-SIM (2FF)	2 slots (Dual-SIM) nano-SIM (4FF)
Maximum Download / Upload	14.4/5.76 Mbps	300/150 Mbps
Network technology	2G, 3G	2G, 3G, 4G
Frequency, bands	Expand band details Collapse details
GSM MHz band	Quad-Band 850/900/1800/1900	Quad-Band 850/900/1800/1900
Primary 2G network	GSM 850/900/1800/1900	CDMA 800, GSM 850/900/1800/1900
Primary 3G network	UMTS 850/1900/2100	CDMA2000 1xEV-DO UMTS 850/900/2100
Primary 4G network	Not supported	LTE Cat7 (1, 3, 5, 7, 8, 20, 28) TD-LTE (38, 40, 41) VoLTE
Primary 5G network	Not supported	Not supported
Primary data network	GPRS, EDGE, UMTS, HSDPA, HSUPA	GPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A
Secondary 2G network	Not supported	CDMA 800, GSM 850/900/1800/1900
Secondary 3G network	Not supported	CDMA2000 1xEV-DO UMTS 850/900/2100
Secondary 4G network	Not supported	LTE Cat7 (1, 3, 5, 7, 8, 20, 28) TD-LTE (38, 40, 41) VoLTE
Secondary data network	Not supported	GPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A
📷 Camera
	Sony Xperia U (ST25a)	Redmi 12C (128GB/4GB)
Back camera (main camera)	5 megapixels	(dual camera) 50 megapixels 0.08MP depth
Main camera resolution	2592x1944 pixels	8160x6120 pixels
Video recording (primary)	HD (1280x720) 30 fps	Full HD (1920x1080) 30 fps
Flash	LED flash	LED flash
Focal aperture	feature not registered	f/1.8 (aperture)
Focal length	feature not registered	feature not registered
Sensor size	feature not registered	1/2.76" inches
Pixel size	feature not registered	feature not registered
Autofocus	Autofocus	PDAF: phase detection autofocus
Touch focus	Supported	Supported
Image stabilization	EIS: Digital stabilization	EIS: Digital stabilization
Zoom	Only digital zoom	Only digital zoom
Face/smile detection	Face detection, Smile detection	Face detection, Smile detection
BSI sensor	Not supported	Supported
HDR	Not supported	HDR photo on both cameras
Camera extras	feature not registered	feature not registered
📸 Front camera
	Sony Xperia U (ST25a)	Redmi 12C (128GB/4GB)
Front camera (secondary)	0.3 megapixels	5 megapixels
Front camera resolution	640x480 pixels	2560x1920 pixels
Video recording (secondary)	VGA (640x480)	Full HD (1920x1080)
Front flash	Not supported	Not supported
Focal aperture	feature not registered	f/2.2 (aperture)
Focal length	feature not registered	feature not registered
Sensor size	feature not registered	feature not registered
Pixel size	feature not registered	feature not registered
🔉 Sound and multimedia
	Sony Xperia U (ST25a)	Redmi 12C (128GB/4GB)
Loudspeaker	Supported	Mono sound (not stereo)
Active noise cancellation	2 microphones or more	Not supported
Radio	FM (RDS)	FM
TV	Not supported	Not supported
Video formats	MP4, H.263, H.264, WMV	MP4, H.265, H.264, H.263, XviD, MKV
Audio formats	MP3, eAAC+, WMA, WAV	MP3, WAV, WMA, eAAC+, FLAC
🔌 Connectivity
	Sony Xperia U (ST25a)	Redmi 12C (128GB/4GB)
USB	MicroUSB 2.0, USB OTG On-The-Go	MicroUSB 2.0
Audio output	3.5mm jack	3.5mm jack
TV output	Not supported	Not supported
Bluetooth	2.1 + A2DP	5.1 + A2DP/LE
WiFi	802.11 b/g/n [wifi4] (2.4GHz)	802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) WiFi Direct, hotspot
DLNA	Supported	Not supported
GPS	A-GPS, GeoTagging	A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou
NFC	Not supported	Not supported
Infrared port	Not supported	Not supported
🧭 Sensors
	Sony Xperia U (ST25a)	Redmi 12C (128GB/4GB)
Sensors	Accelerometer Ambient light sensor Compass Proximity sensor	Accelerometer Face unlock Fingerprint sensor (rear-mounted) Virtual proximity sensor
Vibrating alert	Supported	Supported
🔋 Battery
	Sony Xperia U (ST25a)	Redmi 12C (128GB/4GB)
Battery type	Li-Ion: lithium-ion (Removable) BA600	LiPo: li-ion polymer (Non removable)
Battery capacity	1320 mAh	5000 mAh
Charger, watts	Wired charging	10W Wired charging
Inductive / wireless charging	Not supported	Not supported
Talk time autonomy	5.6 hours	feature not registered
Standby	472 hours (19.7 days)	feature not registered
➕ Other features
	Sony Xperia U (ST25a)	Redmi 12C (128GB/4GB)
Call control	Voice dialing, Voice recorder, Voice commands	Voice dialing, Voice recorder, Voice commands
Messaging	SMS (T9), MMS, E-mail, Push mail	SMS (T9), MMS, E-mail, Push mail
Hands-free calling	Supported	Supported
Video calling	Supported	Supported
Ringtones	Polyphonic and customized	Polyphonic and customized
Web browser	HTML, XHTML, Flash player	HTML, XHTML, HTML5
Antenna	Internal antenna	Internal antenna
Qwerty physical keyboard	Not supported	Not supported
Miscellaneous	• Colors: Black, White • Exchangeable bottom caps: White, Black, Pink, Yellow • Sony Reality Display • Sony Mobile BRAVIA Engine • xLoud • 3D surround sound • WiFi hotspot • Java framework	• Colors: Graphite Gray, Ocean Blue, Mint Green, Lavender Purple
☢️ Radiation rate
	Sony Xperia U (ST25a)	Redmi 12C (128GB/4GB)
SAR 1.6W/kg (USA, Mexico, etc.)	1.09W/kg (head), 0.93W/kg (body)	feature not registered
SAR 2W/kg (Europe, UK, etc.)	1.62W/kg (head)	feature not registered